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Anindita Saha Grade: 12
```        In what direction a line be drawn through the point (1,2) so that its point of intersection with the line x+y=4 is at a distance
(root 6/3) from the given point.
A. 75 degree                              B.60 degree
C. 45 degree                              D.30 degree```
7 years ago

## Answers : (1)

147 Points
```										Dear Anindita
let parametric form of line
x=1+ √6/3 cosθ
y=2+√6/3 sin θ
if this line cut the given line
then
1+ √6/3 cosθ  +  2+√6/3 sin θ =4
√6/3 (cosθ  +  sin θ)=1
sin (θ+45) =Sin60
so  θ+45 =60   or 120
or    θ  =15 or  75

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```
7 years ago
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